Rigolets at Hwy 90 near Slidell water level

Name: Rigolets at Hwy 90 near Slidell water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Tidal gauge, Rigolets, Louisiana, United States

Directions

Normal for late October

Water level

2.20ft Steady over the last 24 hours

Measured Oct 21, 2026, 04:30 AM CDT (43 min ago)

Water temperature: 71 °F

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Rigolets at Hwy 90 near Slidell, where the gauge shows 2.20 ft.

That puts it 0.44 ft above the median of 1.76 ft for late October, based on 20 years of readings. A year ago it stood at 2.23 ft (−0.03 ft).

The level has held steady over the past 24 hours. The 30-day range is −3.19 ft – 3.63 ft.

The sensor also reports a water temperature of 71 °F.

Compared with 20 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 1.76 ft0.44 ft above the median for this date
Normal for this date: 0.68 ft – 2.73 ft8 years in 10 fall in this range (20 years of records)
Same day last year: 2.23 ft−0.03 ft
Lowest and highest in 30 days: −3.19 ft – 3.63 ft
Lowest and highest in 12 months: −0.50 ft – 3.63 ft

Weather at the gauge

No rain in the last 3 days.

21 Wed 78° 49° – Wind 10 mph

22 Thu 81° 53° – Wind 8 mph

23 Fri 83° 56° – Wind 10 mph

24 Sat 79° 56° – Wind 11 mph

25 Sun 77° 54° – Wind 10 mph

26 Mon 80° 53° – Wind 10 mph

27 Tue 82° 59° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:06 AM Sunset 06:23 PM Daylight 11 hr, 17 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Pearl River at I-10 near SlidellRiver gauge, Pearl River	2.63 ft	Very low	−0.04 ft	9 mi
Bayou Liberty near SlidellRiver gauge, Bayou Liberty	1.75 ft	Normal	−0.22 ft	11 mi
GIWW East Storm Surge Barrier at New OrleansRiver gauge, GIWW East Storm Surge Barrier	1.30 ft	Normal	−0.18 ft	14 mi
Pearl River at Pearl RiverRiver gauge, Pearl River	4.90 ft	Low	−0.03 ft	15 mi
Inner Harbor Navigation Canal near Seabrook bridgeRiver gauge, Inner Harbor Navigation Canal	1.32 ft	Normal	−0.09 ft	20 mi
Pearl River Navigation Canal Lock and Dam No. 1River gauge	39.30 ft	Highest on record	+23.34 ft	20 mi
East Pearl River at I-59 near NicholsonRiver gauge, East Pearl River	9.42 ft	Normal	±0	21 mi
L Pontchartrain at Crossover 4 near MandevilleLake, L Pontchartrain	0.81 ft	Normal	−0.05 ft	23 mi

Questions and answers

How does the Rigolets at Hwy 90 near Slidell compare with last year?

It is 0.03 ft lower than on the same day last year, when the reading was 2.23 ft.

What is a normal level for the Rigolets at Hwy 90 near Slidell in late October?

The median for late October is 1.76 ft. In 8 years out of 10 the reading falls between 0.68 ft and 2.73 ft, based on 20 years of records.

What is the water level of Rigolets at Hwy 90 near Slidell today?

On Oct 21, 2026, 04:30 AM CDT, the water level was 2.20 ft. Steady over the last 24 hours.

Is Rigolets at Hwy 90 near Slidell rising or falling?

Steady over the last 24 hours. Up 0.46 ft over the last 7 days.

Is the level of Rigolets at Hwy 90 near Slidell normal?

Normal for late October. Compared with 20 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:301001089442600 (Agency page)
Coordinates: 30.16694, -89.74056 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.20 ft	2026-10-21 09:30	Provisional
Water temperature	71 °F	2026-10-21 09:30	Provisional

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How to cite

U.S. Geological Survey: Rigolets at Hwy 90 near Slidell (usgs:301001089442600). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/rigolets-at-hwy-90-near-slidell

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer